if (navigator.userAgent.indexOf("Win") >= 0) {
	if (navigator.appName.indexOf("Internet Explorer") != -1) {
		document.write('<link rel="stylesheet" href="/en/css/main.css" type="text/css">');
	} else {
		document.write('<link rel="stylesheet" href="/en/css/sub.css" type="text/css">');
	}
}